Teams can have two, three, or four players, but however many are on team, each one has to play one full "round of blinds" or the team will be disqualified. Also, players can tag in and out between hands, but not during a hand.
1) What is Team Poker (TP)\n\n Any poker game can be used in TP tournaments. Tournament Directors can split the Prize Pool Payouts from 0-100% to the individuals or teams. As example a typical split might be 60% to Teams and 40% to Individuals; or, Teams could play for Trophies  only.